Craftsman 16.5 HP 42 Riding Lawn Mower Manual

The Craftsman 16.5 HP 42 Riding Lawn Mower is a powerful and efficient lawn care machine featuring a 16.5 horsepower Briggs & Stratton engine, 42-inch cutting deck, 6-speed manual transmission, electric start, adjustable cutting height (1.5-4 inches), mulching/bagging/side discharge capabilities, and ergonomic design with padded high-back seat. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Assembly & Setup 4. Specifications 5. Controls and Operation 6. Cutting Deck & Height Adjustment 7. Maintenance Schedule 8. Storage & Winterization 9. Parts & Accessories 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: 16.5 HP Briggs & Stratton engine, 42-inch reinforced steel cutting deck, 6-speed manual transmission, electric start with key, adjustable high-back seat, cup holder, and easy-access controls.

FeatureDescription
Engine16.5 HP Briggs & Stratton, OHV, single-cylinder
Cutting Width42 inches
Transmission6-speed manual, gear-driven
Starting SystemElectric key start with backup recoil
Cutting HeightAdjustable 1.5 to 4 inches (6 positions)
Deck EngagementManual lever with PTO
Fuel Tank2.5 gallons capacity
SeatPadded high-back, adjustable suspension
Turning Radius18 inches
Mulching CapabilityIncluded mulch kit (optional)

Safety Information

Read all instructions before operation. Always wear appropriate safety gear.

  1. Clear mowing area of debris, toys, and obstacles.
  2. Never carry passengers; operator only.
  3. Do not mow on slopes greater than 15 degrees.
  4. Disengage blades before starting engine.
  5. Keep hands and feet away from moving parts.

WARNING! Gasoline is flammable; refuel outdoors with engine off and cool. Avoid carbon monoxide poisoning – never operate in enclosed spaces.

Assembly & Setup

Unpack and inspect all parts. Assembly requires basic tools.

  1. Install steering wheel: Align and tighten bolt.
  2. Attach seat: Mount with provided bolts and washers.
  3. Connect battery: Positive (red) then negative (black) terminals.
  4. Install cutting deck: Align with mounting points and secure pins.
  5. Add engine oil: Use SAE 30 (approx. 1.5 quarts).
  6. Add gasoline: Use fresh unleaded (87 octane minimum).

CAUTION! Ensure all bolts are tightened to specification. Check tire pressure (10-12 PSI).

Specifications

Controls and Operation

Familiarize yourself with all controls before starting.

Dashboard: Ignition key, choke, throttle, hour meter, headlight switch.

Steering/Driving: Steering wheel, brake pedal, clutch/brake pedal, gear shift lever (1-6, R).

Cutting Controls: Deck engagement lever, cutting height adjustment lever.

Starting Procedure: 1. Sit on seat. 2. Set parking brake. 3. Disengage blades. 4. Move throttle to choke. 5. Turn key to START. 6. Adjust throttle to operating speed.

Cutting Deck & Height Adjustment

The 42-inch deck offers multiple cutting options.

  1. Height Adjustment: Move lever to desired position (1=lowest, 6=highest).
  2. Deck Engagement: Pull lever upward to engage blades.
  3. Cutting Patterns: Overlap passes by 2-3 inches for even cut.
  4. Mulching: Install mulch plug; keep blades sharp.
  5. Bagging: Attach grass bag; empty when 2/3 full.

Tip: Mow at highest setting for first cut of season. Never remove more than 1/3 of grass height.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

IntervalTask
Before each useCheck tire pressure, inspect for damage, check oil level
Every 8 hoursClean deck underside, check blade condition
Every 25 hoursChange engine oil (first 5 hours), check air filter
Every 50 hoursReplace air filter, check spark plug
Every 100 hoursChange oil filter, check transmission fluid
SeasonallySharpen/replace blades, grease fittings, battery maintenance

Storage & Winterization

Proper storage prevents damage during off-season.

  1. Add fuel stabilizer to tank and run engine for 5 minutes.
  2. Change engine oil and filter.
  3. Remove spark plug, add 1 tablespoon oil, crank engine, reinstall plug.
  4. Clean entire mower, especially deck underside.
  5. Store in dry, covered area; disconnect battery.

CAUTION! Never store with gasoline in tank without stabilizer. Drain fuel if storing over 30 days.

Parts & Accessories

Genuine Craftsman parts ensure proper fit and performance.

Order parts at www.craftsman.com or call 1-888-331-4569.

Warranty Information

2-Year Limited Warranty: Covers defects in materials/workmanship. Proof of purchase required. Does not cover normal wear, misuse, or improper maintenance. For warranty service, contact Craftsman Customer Support at 1-888-331-4569 or visit www.craftsman.com/warranty.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startEmpty fuel tank, dead battery, clogged filterAdd fuel, charge/replace battery, clean/replace air filter
Poor cutting performanceDull blades, low engine speed, wet grassSharpen/replace blades, adjust throttle, wait for dry conditions
Excessive vibrationDamaged blade, loose componentsInspect and replace blade, tighten all bolts
Loss of powerDirty air filter, old gasolineReplace air filter, drain and refill with fresh gasoline
Uneven cuttingUneven tire pressure, deck not levelAdjust tire pressure, level cutting deck

Service: For technical support, call 1-888-331-4569 or visit www.craftsman.com/support.

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